Question

find the surface area of the following cubes (a)length =4cm (b)length =7cm​

Answer 1

Answer:

$a).surface \: area \: of \: cube \: = 6 {a}^{2} \\ = 6 \times 4 \times 4 \\ = 96 {cm}^{2} \\ b).surface \: area \: of \: cube \: = 6 {a}^{2} \\ = 6 \times 7 \times 7 \\ = 294 {cm}^{2}$

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